Surveillance camera system for home indoor

Camera

Requirements
720P@30fps or above.
Appropriate low light performance.
PIR sensor.
Sound recording.
POE.
ONVIF.
Inexpensive.

I found two manufacturers. Hikvision and D-Link.

Hikvision
Low cost.
Hard to find the latest firmware, tools and any documents.

D-Link
Good organization of support files.
Almost twice as expensive as Hikvision's.
Backdoor problem.
http://www.boannews.com/media/view.asp?idx=46434
https://goo.gl/yP8tqA
http://syssec.kaist.ac.kr/sub0501/articles/view/tableid/news/id/5
https://goo.gl/KeHI7l
https://goo.gl/lzSseu

http://www.hikvisioneurope.com/redirect/
http://www.networkcameracritic.com/?p=2236

Switch

Requirements
POE
Gigabit for uplink (i.e. Gigabit for recording machine)

Recommend
D-Link DGS-1008P

Detailed LED.
Ground connector.
Power On/Off switch.
Inexpensive.
D-Link Korea offers public qna bbs.